20.fastDFS集群java代码测试

1.工程结构

 

2.代码内容

FastdfsClientTest.java代码

 

package cn.itcast.fastdfs.cliennt;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.UUID;

import org.csource.common.NameValuePair;

import org.csource.fastdfs.ClientGlobal;

import org.csource.fastdfs.FileInfo;

import org.csource.fastdfs.StorageClient;

import org.csource.fastdfs.StorageClient1;

import org.csource.fastdfs.StorageServer;

import org.csource.fastdfs.TrackerClient;

import org.csource.fastdfs.TrackerServer;

import org.junit.Before;

import org.junit.Test;

/**

 * 测试FastDFS  API使用

 * @FileName:FastdfsClientTest.java

 * @Description: TODO()  

 * @Author: tangwan

 * @Date: 2015年4月23日 下午1:48:45

 * @since:  JDK 1.8

 */

public class FastdfsClientTest {

 

public String conf_filename = null;

public String local_filename = null;

 

@Before

public void confInit(){

conf_filename = FastdfsClientTest.class.getResource("/fdfs_client.conf").getPath();

System.out.println("配置文件夹路径:"+conf_filename);

local_filename = "1.jpg";

System.out.println("待上传文件路径:"+local_filename);

}

 

// 客户端配置文件(绝对路径);使用下面注释的路径,请注释上面confInit方法

//public String conf_filename = "D:\\DebugLove\\workspace\\DEV-2\\fastdfsClient\\src\\cn\\itcast\\fastdfs\\cliennt\\fdfs_client.conf";

// 本地文件，要上传的文件

//public String local_filename = "C:\\Users\\Administrator\\Desktop\\2.jpg";

 

// 将字节流写到磁盘生成文件

private void saveFile(byte[] b, String path, String fileName) {

 

File file = new File(path + fileName);

FileOutputStream fileOutputStream = null;

try {

fileOutputStream = new FileOutputStream(file);

 

fileOutputStream.write(b);

 

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

} finally {

if (fileOutputStream != null) {

try {

fileOutputStream.close();

} catch (IOException e) {

e.printStackTrace();

}

}

 

}

 

}

 

// 上传文件

//文件保存在storage设置的baseUrl下   /home/FastDFS/fdfs_storage/data/00/00包括:wKgBFVcMJNyAZtDnAASUcjwYjng393.jpg和wKgBFVcMJNyAZtDnAASUcjwYjng393.jpg-m

@Test

public void testUpload() {

//上传5次

for (int i = 0; i < 1; i++) {

try {

ClientGlobal.init(conf_filename);

 

TrackerClient tracker = new TrackerClient();

TrackerServer trackerServer = tracker.getConnection();

StorageServer storageServer = null;

 

StorageClient storageClient = new StorageClient(trackerServer, storageServer);

NameValuePair nvp[] = new NameValuePair[] { new NameValuePair("item_id", "100010"), new NameValuePair("width", "80"),

new NameValuePair("height", "90") };

String fileIds[] = storageClient.upload_file(local_filename, null, nvp);

 

System.out.println(fileIds.length);

System.out.println("组名：" + fileIds[0]);

System.out.println("路径: " + fileIds[1]);

 

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

} catch (Exception e) {

e.printStackTrace();

}

}

}

 

// 下载文件

@Test

public void testDownload() {

try {

ClientGlobal.init(conf_filename);

 

TrackerClient tracker = new TrackerClient();

TrackerServer trackerServer = tracker.getConnection();

StorageServer storageServer = null;

 

// StorageClient storageClient = new StorageClient(trackerServer,storageServer);

StorageClient1 storageClient = new StorageClient1(trackerServer, storageServer);

byte[] b = storageClient.download_file("group1", "M00/00/00/wKgBFVcMJN6AGuYuAASUcjwYjng476.jpg");

if (b != null) {

System.out.println(b.length);

saveFile(b, "d:\\temp\\", UUID.randomUUID().toString() + ".jpg");

}

 

} catch (Exception e) {

e.printStackTrace();

}

}

 

// 获取文件信息

@Test

public void testGetFileInfo() {

try {

ClientGlobal.init(conf_filename);

 

TrackerClient tracker = new TrackerClient();

TrackerServer trackerServer = tracker.getConnection();

StorageServer storageServer = null;

 

StorageClient storageClient = new StorageClient(trackerServer, storageServer);

FileInfo fi = storageClient.get_file_info("group1", "M00/00/00/wKgBFVcMJN6AGuYuAASUcjwYjng476.jpg");

System.out.println(fi.getSourceIpAddr());

System.out.println(fi.getFileSize());

System.out.println(fi.getCreateTimestamp());

System.out.println(fi.getCrc32());

} catch (Exception e) {

e.printStackTrace();

}

}

 

// 获取文件自定义的mate信息(key、value)

@Test

public void testGetFileMate() {

try {

ClientGlobal.init(conf_filename);

 

TrackerClient tracker = new TrackerClient();

TrackerServer trackerServer = tracker.getConnection();

StorageServer storageServer = null;

 

StorageClient storageClient = new StorageClient(trackerServer, storageServer);

NameValuePair nvps[] = storageClient.get_metadata("group1", "M00/00/00/wKgBFVcMJN6AGuYuAASUcjwYjng476.jpg");

if (nvps != null) {

for (NameValuePair nvp : nvps) {

System.out.println(nvp.getName() + ":" + nvp.getValue());

}

}

 

} catch (Exception e) {

e.printStackTrace();

}

}

 

// 删除文件

//从操作系统storage节点,物理删除/home/FastDFS/fdfs_storage/data/00/00直接消失

@Test

public void testDelete() {

try {

ClientGlobal.init(conf_filename);

 

TrackerClient tracker = new TrackerClient();

TrackerServer trackerServer = tracker.getConnection();

StorageServer storageServer = null;

 

StorageClient storageClient = new StorageClient(trackerServer, storageServer);

int i = storageClient.delete_file("group1", "M00/00/00/wKgBFVcMJNyAZtDnAASUcjwYjng393.jpg");

System.out.println(i == 0 ? "删除成功" : "删除失败:" + i);

} catch (Exception e) {

e.printStackTrace();

}

}

}

 

2.fdfs_client.conf        #配置文件

 

# connect timeout in seconds

# default value is 30s

connect_timeout=30

# network timeout in seconds

# default value is 30s

network_timeout=60 

# the base path to store log files

base_path=/home/FastDFS

# tracker_server can ocur more than once, and tracker_server format is

#  "host:port", host can be hostname or ip address

tracker_server=192.168.1.20:22122

#tracker_server=192.168.101.4:22122

#standard log level as syslog, case insensitive, value list:

### emerg for emergency

### alert

### crit for critical

### error

### warn for warning

### notice

### info

### debug

log_level=info 

# if use connection pool

# default value is false

# since V4.05

use_connection_pool = false 

# connections whose the idle time exceeds this time will be closed

# unit: second

# default value is 3600

# since V4.05

connection_pool_max_idle_time = 3600

# if load FastDFS parameters from tracker server

# since V4.05

# default value is false

load_fdfs_parameters_from_tracker=false

# if use storage ID instead of IP address

# same as tracker.conf

# valid only when load_fdfs_parameters_from_tracker is false

# default value is false

# since V4.05

use_storage_id = false

# specify storage ids filename, can use relative or absolute path

# same as tracker.conf

# valid only when load_fdfs_parameters_from_tracker is false

# since V4.05

storage_ids_filename = storage_ids.conf  

#HTTP settings

http.tracker_server_port=80

#use "#include" directive to include HTTP other settiongs

##include http.conf

 

3.待上传文件,美女,给大家看看

 

4.jar包下载

https://sourceforge.net/projects/fastdfs/

 

来自为知笔记(Wiz)